Home / 91,875.18-126,822.84-89,347.16

Finding the Fourth Proportional to 91,875.18, 126,822.84 and 89,347.16

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Solution

The fourth proportional to 91,875.18, 126,822.84 and 89,347.16 is: 123,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,875.18 : 126,822.84 = 89,347.16 : x
  2. Step 2: Convert to fraction form
    91,875.18/126,822.84 = 89,347.16/x
  3. Step 3: Cross multiply
    91,875.18x = 126,822.84 × 89,347.16
  4. Step 4: Simplify right side
    91,875.18x = 11,331,260,577.13
  5. Step 5: Solve for x
    x = 11,331,260,577.13/91,875.18
  6. Step 6: Final answer
    x = 123,333.21

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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.