Home / 130,835.10-196,252.65-47,718.30

Finding the Fourth Proportional to 130,835.10, 196,252.65 and 47,718.30

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Solution

The fourth proportional to 130,835.10, 196,252.65 and 47,718.30 is: 71,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,835.10 : 196,252.65 = 47,718.30 : x
  2. Step 2: Convert to fraction form
    130,835.10/196,252.65 = 47,718.30/x
  3. Step 3: Cross multiply
    130,835.10x = 196,252.65 × 47,718.30
  4. Step 4: Simplify right side
    130,835.10x = 9,364,842,828.50
  5. Step 5: Solve for x
    x = 9,364,842,828.50/130,835.10
  6. Step 6: Final answer
    x = 71,577.45

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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.