Home / 152,319.37-210,207.31-84,336.35

Finding the Fourth Proportional to 152,319.37, 210,207.31 and 84,336.35

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Solution

The fourth proportional to 152,319.37, 210,207.31 and 84,336.35 is: 116,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.37 : 210,207.31 = 84,336.35 : x
  2. Step 2: Convert to fraction form
    152,319.37/210,207.31 = 84,336.35/x
  3. Step 3: Cross multiply
    152,319.37x = 210,207.31 × 84,336.35
  4. Step 4: Simplify right side
    152,319.37x = 17,728,116,952.46
  5. Step 5: Solve for x
    x = 17,728,116,952.46/152,319.37
  6. Step 6: Final answer
    x = 116,387.80

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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.