Home / 91,029.69-136,543.19-55,501.47

Finding the Fourth Proportional to 91,029.69, 136,543.19 and 55,501.47

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Solution

The fourth proportional to 91,029.69, 136,543.19 and 55,501.47 is: 83,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029.69 : 136,543.19 = 55,501.47 : x
  2. Step 2: Convert to fraction form
    91,029.69/136,543.19 = 55,501.47/x
  3. Step 3: Cross multiply
    91,029.69x = 136,543.19 × 55,501.47
  4. Step 4: Simplify right side
    91,029.69x = 7,578,347,485.98
  5. Step 5: Solve for x
    x = 7,578,347,485.98/91,029.69
  6. Step 6: Final answer
    x = 83,251.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.