Home / 138,510.08-191,269.80-104,460.24

Finding the Fourth Proportional to 138,510.08, 191,269.80 and 104,460.24

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Solution

The fourth proportional to 138,510.08, 191,269.80 and 104,460.24 is: 144,250.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,510.08 : 191,269.80 = 104,460.24 : x
  2. Step 2: Convert to fraction form
    138,510.08/191,269.80 = 104,460.24/x
  3. Step 3: Cross multiply
    138,510.08x = 191,269.80 × 104,460.24
  4. Step 4: Simplify right side
    138,510.08x = 19,980,089,212.75
  5. Step 5: Solve for x
    x = 19,980,089,212.75/138,510.08
  6. Step 6: Final answer
    x = 144,250.07

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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.