Home / 130,444.53-180,008.28-73,855.89

Finding the Fourth Proportional to 130,444.53, 180,008.28 and 73,855.89

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Solution

The fourth proportional to 130,444.53, 180,008.28 and 73,855.89 is: 101,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,444.53 : 180,008.28 = 73,855.89 : x
  2. Step 2: Convert to fraction form
    130,444.53/180,008.28 = 73,855.89/x
  3. Step 3: Cross multiply
    130,444.53x = 180,008.28 × 73,855.89
  4. Step 4: Simplify right side
    130,444.53x = 13,294,671,726.77
  5. Step 5: Solve for x
    x = 13,294,671,726.77/130,444.53
  6. Step 6: Final answer
    x = 101,918.20

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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.