Home / 91,779.84-137,656.80-29,442.24

Finding the Fourth Proportional to 91,779.84, 137,656.80 and 29,442.24

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Solution

The fourth proportional to 91,779.84, 137,656.80 and 29,442.24 is: 44,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,779.84 : 137,656.80 = 29,442.24 : x
  2. Step 2: Convert to fraction form
    91,779.84/137,656.80 = 29,442.24/x
  3. Step 3: Cross multiply
    91,779.84x = 137,656.80 × 29,442.24
  4. Step 4: Simplify right side
    91,779.84x = 4,052,924,543.23
  5. Step 5: Solve for x
    x = 4,052,924,543.23/91,779.84
  6. Step 6: Final answer
    x = 44,159.20

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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.