Home / 249,501.45-344,312.54-142,071.57

Finding the Fourth Proportional to 249,501.45, 344,312.54 and 142,071.57

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Solution

The fourth proportional to 249,501.45, 344,312.54 and 142,071.57 is: 196,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,501.45 : 344,312.54 = 142,071.57 : x
  2. Step 2: Convert to fraction form
    249,501.45/344,312.54 = 142,071.57/x
  3. Step 3: Cross multiply
    249,501.45x = 344,312.54 × 142,071.57
  4. Step 4: Simplify right side
    249,501.45x = 48,917,022,418.13
  5. Step 5: Solve for x
    x = 48,917,022,418.13/249,501.45
  6. Step 6: Final answer
    x = 196,059.07

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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.