Home / 142,316.70-213,417.45-48,774.30

Finding the Fourth Proportional to 142,316.70, 213,417.45 and 48,774.30

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Solution

The fourth proportional to 142,316.70, 213,417.45 and 48,774.30 is: 73,141.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,316.70 : 213,417.45 = 48,774.30 : x
  2. Step 2: Convert to fraction form
    142,316.70/213,417.45 = 48,774.30/x
  3. Step 3: Cross multiply
    142,316.70x = 213,417.45 × 48,774.30
  4. Step 4: Simplify right side
    142,316.70x = 10,409,286,731.54
  5. Step 5: Solve for x
    x = 10,409,286,731.54/142,316.70
  6. Step 6: Final answer
    x = 73,141.71

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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.