Home / 125,307.50-172,924.35-68,718.88

Finding the Fourth Proportional to 125,307.50, 172,924.35 and 68,718.88

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Solution

The fourth proportional to 125,307.50, 172,924.35 and 68,718.88 is: 94,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,307.50 : 172,924.35 = 68,718.88 : x
  2. Step 2: Convert to fraction form
    125,307.50/172,924.35 = 68,718.88/x
  3. Step 3: Cross multiply
    125,307.50x = 172,924.35 × 68,718.88
  4. Step 4: Simplify right side
    125,307.50x = 11,883,166,792.11
  5. Step 5: Solve for x
    x = 11,883,166,792.11/125,307.50
  6. Step 6: Final answer
    x = 94,832.05

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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.