Home / 126,572.95-174,681.26-72,875.35

Finding the Fourth Proportional to 126,572.95, 174,681.26 and 72,875.35

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Solution

The fourth proportional to 126,572.95, 174,681.26 and 72,875.35 is: 100,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,572.95 : 174,681.26 = 72,875.35 : x
  2. Step 2: Convert to fraction form
    126,572.95/174,681.26 = 72,875.35/x
  3. Step 3: Cross multiply
    126,572.95x = 174,681.26 × 72,875.35
  4. Step 4: Simplify right side
    126,572.95x = 12,729,957,960.94
  5. Step 5: Solve for x
    x = 12,729,957,960.94/126,572.95
  6. Step 6: Final answer
    x = 100,574.08

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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.