Home / 249,509.74-344,323.09-142,079.77

Finding the Fourth Proportional to 249,509.74, 344,323.09 and 142,079.77

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Solution

The fourth proportional to 249,509.74, 344,323.09 and 142,079.77 is: 196,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,509.74 : 344,323.09 = 142,079.77 : x
  2. Step 2: Convert to fraction form
    249,509.74/344,323.09 = 142,079.77/x
  3. Step 3: Cross multiply
    249,509.74x = 344,323.09 × 142,079.77
  4. Step 4: Simplify right side
    249,509.74x = 48,921,345,432.89
  5. Step 5: Solve for x
    x = 48,921,345,432.89/249,509.74
  6. Step 6: Final answer
    x = 196,069.88

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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.