Home / 144,036.34-216,132.09-70,164.34

Finding the Fourth Proportional to 144,036.34, 216,132.09 and 70,164.34

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Solution

The fourth proportional to 144,036.34, 216,132.09 and 70,164.34 is: 105,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,036.34 : 216,132.09 = 70,164.34 : x
  2. Step 2: Convert to fraction form
    144,036.34/216,132.09 = 70,164.34/x
  3. Step 3: Cross multiply
    144,036.34x = 216,132.09 × 70,164.34
  4. Step 4: Simplify right side
    144,036.34x = 15,164,765,447.67
  5. Step 5: Solve for x
    x = 15,164,765,447.67/144,036.34
  6. Step 6: Final answer
    x = 105,284.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.