Home / 153,068.04-229,660.32-138,225.60

Finding the Fourth Proportional to 153,068.04, 229,660.32 and 138,225.60

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Solution

The fourth proportional to 153,068.04, 229,660.32 and 138,225.60 is: 207,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,068.04 : 229,660.32 = 138,225.60 : x
  2. Step 2: Convert to fraction form
    153,068.04/229,660.32 = 138,225.60/x
  3. Step 3: Cross multiply
    153,068.04x = 229,660.32 × 138,225.60
  4. Step 4: Simplify right side
    153,068.04x = 31,744,935,528.19
  5. Step 5: Solve for x
    x = 31,744,935,528.19/153,068.04
  6. Step 6: Final answer
    x = 207,391.01

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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.