Home / 162,017.55-242,700.73-80,719.53

Finding the Fourth Proportional to 162,017.55, 242,700.73 and 80,719.53

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Solution

The fourth proportional to 162,017.55, 242,700.73 and 80,719.53 is: 120,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017.55 : 242,700.73 = 80,719.53 : x
  2. Step 2: Convert to fraction form
    162,017.55/242,700.73 = 80,719.53/x
  3. Step 3: Cross multiply
    162,017.55x = 242,700.73 × 80,719.53
  4. Step 4: Simplify right side
    162,017.55x = 19,590,688,856.26
  5. Step 5: Solve for x
    x = 19,590,688,856.26/162,017.55
  6. Step 6: Final answer
    x = 120,917.08

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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.