Home / 158,260.52-218,417.07-90,294.26

Finding the Fourth Proportional to 158,260.52, 218,417.07 and 90,294.26

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Solution

The fourth proportional to 158,260.52, 218,417.07 and 90,294.26 is: 124,616.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,260.52 : 218,417.07 = 90,294.26 : x
  2. Step 2: Convert to fraction form
    158,260.52/218,417.07 = 90,294.26/x
  3. Step 3: Cross multiply
    158,260.52x = 218,417.07 × 90,294.26
  4. Step 4: Simplify right side
    158,260.52x = 19,721,807,707.02
  5. Step 5: Solve for x
    x = 19,721,807,707.02/158,260.52
  6. Step 6: Final answer
    x = 124,616.09

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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.