Home / 145,233.48-217,534.76-70,196.28

Finding the Fourth Proportional to 145,233.48, 217,534.76 and 70,196.28

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Solution

The fourth proportional to 145,233.48, 217,534.76 and 70,196.28 is: 105,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,233.48 : 217,534.76 = 70,196.28 : x
  2. Step 2: Convert to fraction form
    145,233.48/217,534.76 = 70,196.28/x
  3. Step 3: Cross multiply
    145,233.48x = 217,534.76 × 70,196.28
  4. Step 4: Simplify right side
    145,233.48x = 15,270,130,922.69
  5. Step 5: Solve for x
    x = 15,270,130,922.69/145,233.48
  6. Step 6: Final answer
    x = 105,141.95

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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.