Home / 161,971.65-242,927.10-130,565.12

Finding the Fourth Proportional to 161,971.65, 242,927.10 and 130,565.12

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Solution

The fourth proportional to 161,971.65, 242,927.10 and 130,565.12 is: 195,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,971.65 : 242,927.10 = 130,565.12 : x
  2. Step 2: Convert to fraction form
    161,971.65/242,927.10 = 130,565.12/x
  3. Step 3: Cross multiply
    161,971.65x = 242,927.10 × 130,565.12
  4. Step 4: Simplify right side
    161,971.65x = 31,717,804,748.12
  5. Step 5: Solve for x
    x = 31,717,804,748.12/161,971.65
  6. Step 6: Final answer
    x = 195,823.19

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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.