Home / 127,124.61-175,419.18-76,136.03

Finding the Fourth Proportional to 127,124.61, 175,419.18 and 76,136.03

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Solution

The fourth proportional to 127,124.61, 175,419.18 and 76,136.03 is: 105,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.61 : 175,419.18 = 76,136.03 : x
  2. Step 2: Convert to fraction form
    127,124.61/175,419.18 = 76,136.03/x
  3. Step 3: Cross multiply
    127,124.61x = 175,419.18 × 76,136.03
  4. Step 4: Simplify right side
    127,124.61x = 13,355,720,141.40
  5. Step 5: Solve for x
    x = 13,355,720,141.40/127,124.61
  6. Step 6: Final answer
    x = 105,060.07

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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.