Home / 357,026.50-535,541.76-90,787.18

Finding the Fourth Proportional to 357,026.50, 535,541.76 and 90,787.18

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Solution

The fourth proportional to 357,026.50, 535,541.76 and 90,787.18 is: 136,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,026.50 : 535,541.76 = 90,787.18 : x
  2. Step 2: Convert to fraction form
    357,026.50/535,541.76 = 90,787.18/x
  3. Step 3: Cross multiply
    357,026.50x = 535,541.76 × 90,787.18
  4. Step 4: Simplify right side
    357,026.50x = 48,620,326,162.64
  5. Step 5: Solve for x
    x = 48,620,326,162.64/357,026.50
  6. Step 6: Final answer
    x = 136,181.28

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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.