Home / 130,543.23-180,136.08-76,825.04

Finding the Fourth Proportional to 130,543.23, 180,136.08 and 76,825.04

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Solution

The fourth proportional to 130,543.23, 180,136.08 and 76,825.04 is: 106,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,543.23 : 180,136.08 = 76,825.04 : x
  2. Step 2: Convert to fraction form
    130,543.23/180,136.08 = 76,825.04/x
  3. Step 3: Cross multiply
    130,543.23x = 180,136.08 × 76,825.04
  4. Step 4: Simplify right side
    130,543.23x = 13,838,960,650.76
  5. Step 5: Solve for x
    x = 13,838,960,650.76/130,543.23
  6. Step 6: Final answer
    x = 106,010.56

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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.