Home / 249,659.45-344,530.04-136,482.20

Finding the Fourth Proportional to 249,659.45, 344,530.04 and 136,482.20

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Solution

The fourth proportional to 249,659.45, 344,530.04 and 136,482.20 is: 188,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,659.45 : 344,530.04 = 136,482.20 : x
  2. Step 2: Convert to fraction form
    249,659.45/344,530.04 = 136,482.20/x
  3. Step 3: Cross multiply
    249,659.45x = 344,530.04 × 136,482.20
  4. Step 4: Simplify right side
    249,659.45x = 47,022,215,420.23
  5. Step 5: Solve for x
    x = 47,022,215,420.23/249,659.45
  6. Step 6: Final answer
    x = 188,345.43

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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.