Home / 145,870.80-218,806.24-46,038.78

Finding the Fourth Proportional to 145,870.80, 218,806.24 and 46,038.78

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Solution

The fourth proportional to 145,870.80, 218,806.24 and 46,038.78 is: 69,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,870.80 : 218,806.24 = 46,038.78 : x
  2. Step 2: Convert to fraction form
    145,870.80/218,806.24 = 46,038.78/x
  3. Step 3: Cross multiply
    145,870.80x = 218,806.24 × 46,038.78
  4. Step 4: Simplify right side
    145,870.80x = 10,073,572,345.99
  5. Step 5: Solve for x
    x = 10,073,572,345.99/145,870.80
  6. Step 6: Final answer
    x = 69,058.18

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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.