Home / 162,311.04-243,458.28-57,130.80

Finding the Fourth Proportional to 162,311.04, 243,458.28 and 57,130.80

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Solution

The fourth proportional to 162,311.04, 243,458.28 and 57,130.80 is: 85,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,311.04 : 243,458.28 = 57,130.80 : x
  2. Step 2: Convert to fraction form
    162,311.04/243,458.28 = 57,130.80/x
  3. Step 3: Cross multiply
    162,311.04x = 243,458.28 × 57,130.80
  4. Step 4: Simplify right side
    162,311.04x = 13,908,966,303.02
  5. Step 5: Solve for x
    x = 13,908,966,303.02/162,311.04
  6. Step 6: Final answer
    x = 85,693.29

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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.