Home / 153,037.90-229,574.31-40,722.76

Finding the Fourth Proportional to 153,037.90, 229,574.31 and 40,722.76

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Solution

The fourth proportional to 153,037.90, 229,574.31 and 40,722.76 is: 61,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,037.90 : 229,574.31 = 40,722.76 : x
  2. Step 2: Convert to fraction form
    153,037.90/229,574.31 = 40,722.76/x
  3. Step 3: Cross multiply
    153,037.90x = 229,574.31 × 40,722.76
  4. Step 4: Simplify right side
    153,037.90x = 9,348,899,528.30
  5. Step 5: Solve for x
    x = 9,348,899,528.30/153,037.90
  6. Step 6: Final answer
    x = 61,088.79

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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.