Home / 145,264.96-218,263.92-139,360.32

Finding the Fourth Proportional to 145,264.96, 218,263.92 and 139,360.32

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Solution

The fourth proportional to 145,264.96, 218,263.92 and 139,360.32 is: 209,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,264.96 : 218,263.92 = 139,360.32 : x
  2. Step 2: Convert to fraction form
    145,264.96/218,263.92 = 139,360.32/x
  3. Step 3: Cross multiply
    145,264.96x = 218,263.92 × 139,360.32
  4. Step 4: Simplify right side
    145,264.96x = 30,417,329,735.65
  5. Step 5: Solve for x
    x = 30,417,329,735.65/145,264.96
  6. Step 6: Final answer
    x = 209,392.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.