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Finding the Fourth Proportional to 115,007.61, 158,710.47 and 64,019.24

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Solution

The fourth proportional to 115,007.61, 158,710.47 and 64,019.24 is: 88,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,007.61 : 158,710.47 = 64,019.24 : x
  2. Step 2: Convert to fraction form
    115,007.61/158,710.47 = 64,019.24/x
  3. Step 3: Cross multiply
    115,007.61x = 158,710.47 × 64,019.24
  4. Step 4: Simplify right side
    115,007.61x = 10,160,523,669.44
  5. Step 5: Solve for x
    x = 10,160,523,669.44/115,007.61
  6. Step 6: Final answer
    x = 88,346.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.