Home / 158,244.04-218,402.21-90,283.19

Finding the Fourth Proportional to 158,244.04, 218,402.21 and 90,283.19

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Solution

The fourth proportional to 158,244.04, 218,402.21 and 90,283.19 is: 124,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,244.04 : 218,402.21 = 90,283.19 : x
  2. Step 2: Convert to fraction form
    158,244.04/218,402.21 = 90,283.19/x
  3. Step 3: Cross multiply
    158,244.04x = 218,402.21 × 90,283.19
  4. Step 4: Simplify right side
    158,244.04x = 19,718,046,678.42
  5. Step 5: Solve for x
    x = 19,718,046,678.42/158,244.04
  6. Step 6: Final answer
    x = 124,605.31

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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.