Home / 152,841.60-229,435.20-90,547.20

Finding the Fourth Proportional to 152,841.60, 229,435.20 and 90,547.20

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Solution

The fourth proportional to 152,841.60, 229,435.20 and 90,547.20 is: 135,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,841.60 : 229,435.20 = 90,547.20 : x
  2. Step 2: Convert to fraction form
    152,841.60/229,435.20 = 90,547.20/x
  3. Step 3: Cross multiply
    152,841.60x = 229,435.20 × 90,547.20
  4. Step 4: Simplify right side
    152,841.60x = 20,774,714,941.44
  5. Step 5: Solve for x
    x = 20,774,714,941.44/152,841.60
  6. Step 6: Final answer
    x = 135,923.17

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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.