Home / 153,093.10-229,639.65-69,987.10

Finding the Fourth Proportional to 153,093.10, 229,639.65 and 69,987.10

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Solution

The fourth proportional to 153,093.10, 229,639.65 and 69,987.10 is: 104,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,093.10 : 229,639.65 = 69,987.10 : x
  2. Step 2: Convert to fraction form
    153,093.10/229,639.65 = 69,987.10/x
  3. Step 3: Cross multiply
    153,093.10x = 229,639.65 × 69,987.10
  4. Step 4: Simplify right side
    153,093.10x = 16,071,813,148.52
  5. Step 5: Solve for x
    x = 16,071,813,148.52/153,093.10
  6. Step 6: Final answer
    x = 104,980.65

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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.