Home / 162,328.81-243,547.89-102,287.56

Finding the Fourth Proportional to 162,328.81, 243,547.89 and 102,287.56

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Solution

The fourth proportional to 162,328.81, 243,547.89 and 102,287.56 is: 153,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328.81 : 243,547.89 = 102,287.56 : x
  2. Step 2: Convert to fraction form
    162,328.81/243,547.89 = 102,287.56/x
  3. Step 3: Cross multiply
    162,328.81x = 243,547.89 × 102,287.56
  4. Step 4: Simplify right side
    162,328.81x = 24,911,919,411.25
  5. Step 5: Solve for x
    x = 24,911,919,411.25/162,328.81
  6. Step 6: Final answer
    x = 153,465.79

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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.