Home / 104,432.34-144,116.76-56,685.66

Finding the Fourth Proportional to 104,432.34, 144,116.76 and 56,685.66

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Solution

The fourth proportional to 104,432.34, 144,116.76 and 56,685.66 is: 78,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,432.34 : 144,116.76 = 56,685.66 : x
  2. Step 2: Convert to fraction form
    104,432.34/144,116.76 = 56,685.66/x
  3. Step 3: Cross multiply
    104,432.34x = 144,116.76 × 56,685.66
  4. Step 4: Simplify right side
    104,432.34x = 8,169,353,657.66
  5. Step 5: Solve for x
    x = 8,169,353,657.66/104,432.34
  6. Step 6: Final answer
    x = 78,226.28

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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.