Home / 84,740.28-127,146.32-42,598.16

Finding the Fourth Proportional to 84,740.28, 127,146.32 and 42,598.16

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Solution

The fourth proportional to 84,740.28, 127,146.32 and 42,598.16 is: 63,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,740.28 : 127,146.32 = 42,598.16 : x
  2. Step 2: Convert to fraction form
    84,740.28/127,146.32 = 42,598.16/x
  3. Step 3: Cross multiply
    84,740.28x = 127,146.32 × 42,598.16
  4. Step 4: Simplify right side
    84,740.28x = 5,416,199,282.77
  5. Step 5: Solve for x
    x = 5,416,199,282.77/84,740.28
  6. Step 6: Final answer
    x = 63,915.29

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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.