Home / 152,470.09-210,405.58-84,486.47

Finding the Fourth Proportional to 152,470.09, 210,405.58 and 84,486.47

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Solution

The fourth proportional to 152,470.09, 210,405.58 and 84,486.47 is: 116,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,470.09 : 210,405.58 = 84,486.47 : x
  2. Step 2: Convert to fraction form
    152,470.09/210,405.58 = 84,486.47/x
  3. Step 3: Cross multiply
    152,470.09x = 210,405.58 × 84,486.47
  4. Step 4: Simplify right side
    152,470.09x = 17,776,423,459.26
  5. Step 5: Solve for x
    x = 17,776,423,459.26/152,470.09
  6. Step 6: Final answer
    x = 116,589.58

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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.