Home / 178,011.36-267,017.04-72,787.50

Finding the Fourth Proportional to 178,011.36, 267,017.04 and 72,787.50

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Solution

The fourth proportional to 178,011.36, 267,017.04 and 72,787.50 is: 109,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,011.36 : 267,017.04 = 72,787.50 : x
  2. Step 2: Convert to fraction form
    178,011.36/267,017.04 = 72,787.50/x
  3. Step 3: Cross multiply
    178,011.36x = 267,017.04 × 72,787.50
  4. Step 4: Simplify right side
    178,011.36x = 19,435,502,799
  5. Step 5: Solve for x
    x = 19,435,502,799/178,011.36
  6. Step 6: Final answer
    x = 109,181.25

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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.