Home / 89,612.26-134,501.45-45,270.16

Finding the Fourth Proportional to 89,612.26, 134,501.45 and 45,270.16

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Solution

The fourth proportional to 89,612.26, 134,501.45 and 45,270.16 is: 67,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612.26 : 134,501.45 = 45,270.16 : x
  2. Step 2: Convert to fraction form
    89,612.26/134,501.45 = 45,270.16/x
  3. Step 3: Cross multiply
    89,612.26x = 134,501.45 × 45,270.16
  4. Step 4: Simplify right side
    89,612.26x = 6,088,901,599.13
  5. Step 5: Solve for x
    x = 6,088,901,599.13/89,612.26
  6. Step 6: Final answer
    x = 67,947.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.