Home / 152,417.25-210,332.97-84,432.72

Finding the Fourth Proportional to 152,417.25, 210,332.97 and 84,432.72

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Solution

The fourth proportional to 152,417.25, 210,332.97 and 84,432.72 is: 116,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,417.25 : 210,332.97 = 84,432.72 : x
  2. Step 2: Convert to fraction form
    152,417.25/210,332.97 = 84,432.72/x
  3. Step 3: Cross multiply
    152,417.25x = 210,332.97 × 84,432.72
  4. Step 4: Simplify right side
    152,417.25x = 17,758,984,762.78
  5. Step 5: Solve for x
    x = 17,758,984,762.78/152,417.25
  6. Step 6: Final answer
    x = 116,515.58

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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.