Home / 126,931.52-175,151.04-70,328.48

Finding the Fourth Proportional to 126,931.52, 175,151.04 and 70,328.48

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Solution

The fourth proportional to 126,931.52, 175,151.04 and 70,328.48 is: 97,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,931.52 : 175,151.04 = 70,328.48 : x
  2. Step 2: Convert to fraction form
    126,931.52/175,151.04 = 70,328.48/x
  3. Step 3: Cross multiply
    126,931.52x = 175,151.04 × 70,328.48
  4. Step 4: Simplify right side
    126,931.52x = 12,318,106,413.62
  5. Step 5: Solve for x
    x = 12,318,106,413.62/126,931.52
  6. Step 6: Final answer
    x = 97,045.29

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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.