Home / 145,359.18-218,038.77-45,527.19

Finding the Fourth Proportional to 145,359.18, 218,038.77 and 45,527.19

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Solution

The fourth proportional to 145,359.18, 218,038.77 and 45,527.19 is: 68,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,359.18 : 218,038.77 = 45,527.19 : x
  2. Step 2: Convert to fraction form
    145,359.18/218,038.77 = 45,527.19/x
  3. Step 3: Cross multiply
    145,359.18x = 218,038.77 × 45,527.19
  4. Step 4: Simplify right side
    145,359.18x = 9,926,692,509.16
  5. Step 5: Solve for x
    x = 9,926,692,509.16/145,359.18
  6. Step 6: Final answer
    x = 68,290.79

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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.