Home / 125,005.42-172,510.32-68,416.93

Finding the Fourth Proportional to 125,005.42, 172,510.32 and 68,416.93

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Solution

The fourth proportional to 125,005.42, 172,510.32 and 68,416.93 is: 94,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005.42 : 172,510.32 = 68,416.93 : x
  2. Step 2: Convert to fraction form
    125,005.42/172,510.32 = 68,416.93/x
  3. Step 3: Cross multiply
    125,005.42x = 172,510.32 × 68,416.93
  4. Step 4: Simplify right side
    125,005.42x = 11,802,626,487.72
  5. Step 5: Solve for x
    x = 11,802,626,487.72/125,005.42
  6. Step 6: Final answer
    x = 94,416.92

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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.