Home / 115,455.16-159,326.60-64,468.76

Finding the Fourth Proportional to 115,455.16, 159,326.60 and 64,468.76

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Solution

The fourth proportional to 115,455.16, 159,326.60 and 64,468.76 is: 88,966.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,455.16 : 159,326.60 = 64,468.76 : x
  2. Step 2: Convert to fraction form
    115,455.16/159,326.60 = 64,468.76/x
  3. Step 3: Cross multiply
    115,455.16x = 159,326.60 × 64,468.76
  4. Step 4: Simplify right side
    115,455.16x = 10,271,588,337.02
  5. Step 5: Solve for x
    x = 10,271,588,337.02/115,455.16
  6. Step 6: Final answer
    x = 88,966.04

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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.