Home / 252,607.50-348,598.38-139,430.28

Finding the Fourth Proportional to 252,607.50, 348,598.38 and 139,430.28

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Solution

The fourth proportional to 252,607.50, 348,598.38 and 139,430.28 is: 192,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.50 : 348,598.38 = 139,430.28 : x
  2. Step 2: Convert to fraction form
    252,607.50/348,598.38 = 139,430.28/x
  3. Step 3: Cross multiply
    252,607.50x = 348,598.38 × 139,430.28
  4. Step 4: Simplify right side
    252,607.50x = 48,605,169,730.95
  5. Step 5: Solve for x
    x = 48,605,169,730.95/252,607.50
  6. Step 6: Final answer
    x = 192,413.80

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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.