Home / 125,056.02-172,593.74-71,328.72

Finding the Fourth Proportional to 125,056.02, 172,593.74 and 71,328.72

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Solution

The fourth proportional to 125,056.02, 172,593.74 and 71,328.72 is: 98,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.02 : 172,593.74 = 71,328.72 : x
  2. Step 2: Convert to fraction form
    125,056.02/172,593.74 = 71,328.72/x
  3. Step 3: Cross multiply
    125,056.02x = 172,593.74 × 71,328.72
  4. Step 4: Simplify right side
    125,056.02x = 12,310,890,554.21
  5. Step 5: Solve for x
    x = 12,310,890,554.21/125,056.02
  6. Step 6: Final answer
    x = 98,443.01

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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.