Home / 125,172.04-172,737.60-68,583.40

Finding the Fourth Proportional to 125,172.04, 172,737.60 and 68,583.40

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Solution

The fourth proportional to 125,172.04, 172,737.60 and 68,583.40 is: 94,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,172.04 : 172,737.60 = 68,583.40 : x
  2. Step 2: Convert to fraction form
    125,172.04/172,737.60 = 68,583.40/x
  3. Step 3: Cross multiply
    125,172.04x = 172,737.60 × 68,583.40
  4. Step 4: Simplify right side
    125,172.04x = 11,846,931,915.84
  5. Step 5: Solve for x
    x = 11,846,931,915.84/125,172.04
  6. Step 6: Final answer
    x = 94,645.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.