Home / 252,607.38-348,598.21-139,430.16

Finding the Fourth Proportional to 252,607.38, 348,598.21 and 139,430.16

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Solution

The fourth proportional to 252,607.38, 348,598.21 and 139,430.16 is: 192,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,607.38 : 348,598.21 = 139,430.16 : x
  2. Step 2: Convert to fraction form
    252,607.38/348,598.21 = 139,430.16/x
  3. Step 3: Cross multiply
    252,607.38x = 348,598.21 × 139,430.16
  4. Step 4: Simplify right side
    252,607.38x = 48,605,102,453.02
  5. Step 5: Solve for x
    x = 48,605,102,453.02/252,607.38
  6. Step 6: Final answer
    x = 192,413.63

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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.