Home / 247,003.04-340,859.75-139,570.76

Finding the Fourth Proportional to 247,003.04, 340,859.75 and 139,570.76

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Solution

The fourth proportional to 247,003.04, 340,859.75 and 139,570.76 is: 192,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,003.04 : 340,859.75 = 139,570.76 : x
  2. Step 2: Convert to fraction form
    247,003.04/340,859.75 = 139,570.76/x
  3. Step 3: Cross multiply
    247,003.04x = 340,859.75 × 139,570.76
  4. Step 4: Simplify right side
    247,003.04x = 47,574,054,360.91
  5. Step 5: Solve for x
    x = 47,574,054,360.91/247,003.04
  6. Step 6: Final answer
    x = 192,605.14

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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.