Home / 242,413.68-334,560.21-139,085.70

Finding the Fourth Proportional to 242,413.68, 334,560.21 and 139,085.70

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Solution

The fourth proportional to 242,413.68, 334,560.21 and 139,085.70 is: 191,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,413.68 : 334,560.21 = 139,085.70 : x
  2. Step 2: Convert to fraction form
    242,413.68/334,560.21 = 139,085.70/x
  3. Step 3: Cross multiply
    242,413.68x = 334,560.21 × 139,085.70
  4. Step 4: Simplify right side
    242,413.68x = 46,532,541,000.00
  5. Step 5: Solve for x
    x = 46,532,541,000.00/242,413.68
  6. Step 6: Final answer
    x = 191,955.10

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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.