Home / 130,560.66-180,188.28-76,858.92

Finding the Fourth Proportional to 130,560.66, 180,188.28 and 76,858.92

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Solution

The fourth proportional to 130,560.66, 180,188.28 and 76,858.92 is: 106,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,560.66 : 180,188.28 = 76,858.92 : x
  2. Step 2: Convert to fraction form
    130,560.66/180,188.28 = 76,858.92/x
  3. Step 3: Cross multiply
    130,560.66x = 180,188.28 × 76,858.92
  4. Step 4: Simplify right side
    130,560.66x = 13,849,076,597.46
  5. Step 5: Solve for x
    x = 13,849,076,597.46/130,560.66
  6. Step 6: Final answer
    x = 106,073.89

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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.