Home / 145,434.45-218,151.27-45,595.07

Finding the Fourth Proportional to 145,434.45, 218,151.27 and 45,595.07

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Solution

The fourth proportional to 145,434.45, 218,151.27 and 45,595.07 is: 68,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,434.45 : 218,151.27 = 45,595.07 : x
  2. Step 2: Convert to fraction form
    145,434.45/218,151.27 = 45,595.07/x
  3. Step 3: Cross multiply
    145,434.45x = 218,151.27 × 45,595.07
  4. Step 4: Simplify right side
    145,434.45x = 9,946,621,335.48
  5. Step 5: Solve for x
    x = 9,946,621,335.48/145,434.45
  6. Step 6: Final answer
    x = 68,392.47

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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.