Home / 231,323.60-346,985.40-142,677.20

Finding the Fourth Proportional to 231,323.60, 346,985.40 and 142,677.20

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Solution

The fourth proportional to 231,323.60, 346,985.40 and 142,677.20 is: 214,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,323.60 : 346,985.40 = 142,677.20 : x
  2. Step 2: Convert to fraction form
    231,323.60/346,985.40 = 142,677.20/x
  3. Step 3: Cross multiply
    231,323.60x = 346,985.40 × 142,677.20
  4. Step 4: Simplify right side
    231,323.60x = 49,506,905,312.88
  5. Step 5: Solve for x
    x = 49,506,905,312.88/231,323.60
  6. Step 6: Final answer
    x = 214,015.80

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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.