Home / 162,875.20-244,312.80-139,547.20

Finding the Fourth Proportional to 162,875.20, 244,312.80 and 139,547.20

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Solution

The fourth proportional to 162,875.20, 244,312.80 and 139,547.20 is: 209,320.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,875.20 : 244,312.80 = 139,547.20 : x
  2. Step 2: Convert to fraction form
    162,875.20/244,312.80 = 139,547.20/x
  3. Step 3: Cross multiply
    162,875.20x = 244,312.80 × 139,547.20
  4. Step 4: Simplify right side
    162,875.20x = 34,093,167,164.16
  5. Step 5: Solve for x
    x = 34,093,167,164.16/162,875.20
  6. Step 6: Final answer
    x = 209,320.80

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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.