Home / 158,267.04-218,407.45-86,648.26

Finding the Fourth Proportional to 158,267.04, 218,407.45 and 86,648.26

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Solution

The fourth proportional to 158,267.04, 218,407.45 and 86,648.26 is: 119,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,267.04 : 218,407.45 = 86,648.26 : x
  2. Step 2: Convert to fraction form
    158,267.04/218,407.45 = 86,648.26/x
  3. Step 3: Cross multiply
    158,267.04x = 218,407.45 × 86,648.26
  4. Step 4: Simplify right side
    158,267.04x = 18,924,625,513.54
  5. Step 5: Solve for x
    x = 18,924,625,513.54/158,267.04
  6. Step 6: Final answer
    x = 119,574.02

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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.