Home / 162,117.40-243,212.55-49,802.80

Finding the Fourth Proportional to 162,117.40, 243,212.55 and 49,802.80

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Solution

The fourth proportional to 162,117.40, 243,212.55 and 49,802.80 is: 74,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,117.40 : 243,212.55 = 49,802.80 : x
  2. Step 2: Convert to fraction form
    162,117.40/243,212.55 = 49,802.80/x
  3. Step 3: Cross multiply
    162,117.40x = 243,212.55 × 49,802.80
  4. Step 4: Simplify right side
    162,117.40x = 12,112,665,985.14
  5. Step 5: Solve for x
    x = 12,112,665,985.14/162,117.40
  6. Step 6: Final answer
    x = 74,715.40

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1.5x scale

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.