Home / 86,545.02-119,386.72-75,189.00

Finding the Fourth Proportional to 86,545.02, 119,386.72 and 75,189.00

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Solution

The fourth proportional to 86,545.02, 119,386.72 and 75,189.00 is: 103,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,545.02 : 119,386.72 = 75,189.00 : x
  2. Step 2: Convert to fraction form
    86,545.02/119,386.72 = 75,189.00/x
  3. Step 3: Cross multiply
    86,545.02x = 119,386.72 × 75,189.00
  4. Step 4: Simplify right side
    86,545.02x = 8,976,567,117.20
  5. Step 5: Solve for x
    x = 8,976,567,117.20/86,545.02
  6. Step 6: Final answer
    x = 103,721.37

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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.