Home / 142,210.56-213,313.04-42,438.36

Finding the Fourth Proportional to 142,210.56, 213,313.04 and 42,438.36

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Solution

The fourth proportional to 142,210.56, 213,313.04 and 42,438.36 is: 63,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.56 : 213,313.04 = 42,438.36 : x
  2. Step 2: Convert to fraction form
    142,210.56/213,313.04 = 42,438.36/x
  3. Step 3: Cross multiply
    142,210.56x = 213,313.04 × 42,438.36
  4. Step 4: Simplify right side
    142,210.56x = 9,052,655,584.21
  5. Step 5: Solve for x
    x = 9,052,655,584.21/142,210.56
  6. Step 6: Final answer
    x = 63,656.70

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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.