Home / 152,349.66-210,314.34-101,447.10

Finding the Fourth Proportional to 152,349.66, 210,314.34 and 101,447.10

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Solution

The fourth proportional to 152,349.66, 210,314.34 and 101,447.10 is: 140,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,349.66 : 210,314.34 = 101,447.10 : x
  2. Step 2: Convert to fraction form
    152,349.66/210,314.34 = 101,447.10/x
  3. Step 3: Cross multiply
    152,349.66x = 210,314.34 × 101,447.10
  4. Step 4: Simplify right side
    152,349.66x = 21,335,779,881.41
  5. Step 5: Solve for x
    x = 21,335,779,881.41/152,349.66
  6. Step 6: Final answer
    x = 140,044.81

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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.