Home / 249,436.02-344,208.78-142,005.72

Finding the Fourth Proportional to 249,436.02, 344,208.78 and 142,005.72

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Solution

The fourth proportional to 249,436.02, 344,208.78 and 142,005.72 is: 195,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,436.02 : 344,208.78 = 142,005.72 : x
  2. Step 2: Convert to fraction form
    249,436.02/344,208.78 = 142,005.72/x
  3. Step 3: Cross multiply
    249,436.02x = 344,208.78 × 142,005.72
  4. Step 4: Simplify right side
    249,436.02x = 48,879,615,634.22
  5. Step 5: Solve for x
    x = 48,879,615,634.22/249,436.02
  6. Step 6: Final answer
    x = 195,960.53

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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.