Home / 160,641.04-240,634.32-76,145.08

Finding the Fourth Proportional to 160,641.04, 240,634.32 and 76,145.08

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Solution

The fourth proportional to 160,641.04, 240,634.32 and 76,145.08 is: 114,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,641.04 : 240,634.32 = 76,145.08 : x
  2. Step 2: Convert to fraction form
    160,641.04/240,634.32 = 76,145.08/x
  3. Step 3: Cross multiply
    160,641.04x = 240,634.32 × 76,145.08
  4. Step 4: Simplify right side
    160,641.04x = 18,323,119,547.15
  5. Step 5: Solve for x
    x = 18,323,119,547.15/160,641.04
  6. Step 6: Final answer
    x = 114,062.51

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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.