Home / 162,208.74-243,365.28-77,975.04

Finding the Fourth Proportional to 162,208.74, 243,365.28 and 77,975.04

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Solution

The fourth proportional to 162,208.74, 243,365.28 and 77,975.04 is: 116,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,208.74 : 243,365.28 = 77,975.04 : x
  2. Step 2: Convert to fraction form
    162,208.74/243,365.28 = 77,975.04/x
  3. Step 3: Cross multiply
    162,208.74x = 243,365.28 × 77,975.04
  4. Step 4: Simplify right side
    162,208.74x = 18,976,417,442.61
  5. Step 5: Solve for x
    x = 18,976,417,442.61/162,208.74
  6. Step 6: Final answer
    x = 116,987.64

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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.