Home / 145,040.80-217,597.98-70,196.80

Finding the Fourth Proportional to 145,040.80, 217,597.98 and 70,196.80

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Solution

The fourth proportional to 145,040.80, 217,597.98 and 70,196.80 is: 105,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,040.80 : 217,597.98 = 70,196.80 : x
  2. Step 2: Convert to fraction form
    145,040.80/217,597.98 = 70,196.80/x
  3. Step 3: Cross multiply
    145,040.80x = 217,597.98 × 70,196.80
  4. Step 4: Simplify right side
    145,040.80x = 15,274,681,882.46
  5. Step 5: Solve for x
    x = 15,274,681,882.46/145,040.80
  6. Step 6: Final answer
    x = 105,313.00

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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.