Home / 239,181.04-330,071.52-137,210.95

Finding the Fourth Proportional to 239,181.04, 330,071.52 and 137,210.95

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Solution

The fourth proportional to 239,181.04, 330,071.52 and 137,210.95 is: 189,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,181.04 : 330,071.52 = 137,210.95 : x
  2. Step 2: Convert to fraction form
    239,181.04/330,071.52 = 137,210.95/x
  3. Step 3: Cross multiply
    239,181.04x = 330,071.52 × 137,210.95
  4. Step 4: Simplify right side
    239,181.04x = 45,289,426,827.14
  5. Step 5: Solve for x
    x = 45,289,426,827.14/239,181.04
  6. Step 6: Final answer
    x = 189,352.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.