Home / 162,785.32-243,740.50-103,298.92

Finding the Fourth Proportional to 162,785.32, 243,740.50 and 103,298.92

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Solution

The fourth proportional to 162,785.32, 243,740.50 and 103,298.92 is: 154,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,785.32 : 243,740.50 = 103,298.92 : x
  2. Step 2: Convert to fraction form
    162,785.32/243,740.50 = 103,298.92/x
  3. Step 3: Cross multiply
    162,785.32x = 243,740.50 × 103,298.92
  4. Step 4: Simplify right side
    162,785.32x = 25,178,130,410.26
  5. Step 5: Solve for x
    x = 25,178,130,410.26/162,785.32
  6. Step 6: Final answer
    x = 154,670.77

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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.