Home / 115,001.17-158,701.59-64,012.79

Finding the Fourth Proportional to 115,001.17, 158,701.59 and 64,012.79

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Solution

The fourth proportional to 115,001.17, 158,701.59 and 64,012.79 is: 88,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,001.17 : 158,701.59 = 64,012.79 : x
  2. Step 2: Convert to fraction form
    115,001.17/158,701.59 = 64,012.79/x
  3. Step 3: Cross multiply
    115,001.17x = 158,701.59 × 64,012.79
  4. Step 4: Simplify right side
    115,001.17x = 10,158,932,263.28
  5. Step 5: Solve for x
    x = 10,158,932,263.28/115,001.17
  6. Step 6: Final answer
    x = 88,337.64

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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.