Home / 247,117.50-341,027.38-139,681.12

Finding the Fourth Proportional to 247,117.50, 341,027.38 and 139,681.12

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Solution

The fourth proportional to 247,117.50, 341,027.38 and 139,681.12 is: 192,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,117.50 : 341,027.38 = 139,681.12 : x
  2. Step 2: Convert to fraction form
    247,117.50/341,027.38 = 139,681.12/x
  3. Step 3: Cross multiply
    247,117.50x = 341,027.38 × 139,681.12
  4. Step 4: Simplify right side
    247,117.50x = 47,635,086,389.07
  5. Step 5: Solve for x
    x = 47,635,086,389.07/247,117.50
  6. Step 6: Final answer
    x = 192,762.90

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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.