Home / 145,555.08-218,332.53-65,499.45

Finding the Fourth Proportional to 145,555.08, 218,332.53 and 65,499.45

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Solution

The fourth proportional to 145,555.08, 218,332.53 and 65,499.45 is: 98,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,555.08 : 218,332.53 = 65,499.45 : x
  2. Step 2: Convert to fraction form
    145,555.08/218,332.53 = 65,499.45/x
  3. Step 3: Cross multiply
    145,555.08x = 218,332.53 × 65,499.45
  4. Step 4: Simplify right side
    145,555.08x = 14,300,660,632.11
  5. Step 5: Solve for x
    x = 14,300,660,632.11/145,555.08
  6. Step 6: Final answer
    x = 98,249.13

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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.