Home / 99,476.82-137,280.24-56,459.16

Finding the Fourth Proportional to 99,476.82, 137,280.24 and 56,459.16

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Solution

The fourth proportional to 99,476.82, 137,280.24 and 56,459.16 is: 77,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,476.82 : 137,280.24 = 56,459.16 : x
  2. Step 2: Convert to fraction form
    99,476.82/137,280.24 = 56,459.16/x
  3. Step 3: Cross multiply
    99,476.82x = 137,280.24 × 56,459.16
  4. Step 4: Simplify right side
    99,476.82x = 7,750,727,035.00
  5. Step 5: Solve for x
    x = 7,750,727,035.00/99,476.82
  6. Step 6: Final answer
    x = 77,914.91

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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.