Home / 162,528.60-243,792.90-103,625.40

Finding the Fourth Proportional to 162,528.60, 243,792.90 and 103,625.40

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Solution

The fourth proportional to 162,528.60, 243,792.90 and 103,625.40 is: 155,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,528.60 : 243,792.90 = 103,625.40 : x
  2. Step 2: Convert to fraction form
    162,528.60/243,792.90 = 103,625.40/x
  3. Step 3: Cross multiply
    162,528.60x = 243,792.90 × 103,625.40
  4. Step 4: Simplify right side
    162,528.60x = 25,263,136,779.66
  5. Step 5: Solve for x
    x = 25,263,136,779.66/162,528.60
  6. Step 6: Final answer
    x = 155,438.10

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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.