Home / 99,343.64-137,095.56-56,902.13

Finding the Fourth Proportional to 99,343.64, 137,095.56 and 56,902.13

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Solution

The fourth proportional to 99,343.64, 137,095.56 and 56,902.13 is: 78,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,343.64 : 137,095.56 = 56,902.13 : x
  2. Step 2: Convert to fraction form
    99,343.64/137,095.56 = 56,902.13/x
  3. Step 3: Cross multiply
    99,343.64x = 137,095.56 × 56,902.13
  4. Step 4: Simplify right side
    99,343.64x = 7,801,028,692.07
  5. Step 5: Solve for x
    x = 7,801,028,692.07/99,343.64
  6. Step 6: Final answer
    x = 78,525.70

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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.