Home / 104,437.20-144,122.88-56,690.16

Finding the Fourth Proportional to 104,437.20, 144,122.88 and 56,690.16

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Solution

The fourth proportional to 104,437.20, 144,122.88 and 56,690.16 is: 78,232.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,437.20 : 144,122.88 = 56,690.16 : x
  2. Step 2: Convert to fraction form
    104,437.20/144,122.88 = 56,690.16/x
  3. Step 3: Cross multiply
    104,437.20x = 144,122.88 × 56,690.16
  4. Step 4: Simplify right side
    104,437.20x = 8,170,349,126.86
  5. Step 5: Solve for x
    x = 8,170,349,126.86/104,437.20
  6. Step 6: Final answer
    x = 78,232.17

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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.