Home / 144,749.81-216,884.64-102,420.08

Finding the Fourth Proportional to 144,749.81, 216,884.64 and 102,420.08

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Solution

The fourth proportional to 144,749.81, 216,884.64 and 102,420.08 is: 153,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,749.81 : 216,884.64 = 102,420.08 : x
  2. Step 2: Convert to fraction form
    144,749.81/216,884.64 = 102,420.08/x
  3. Step 3: Cross multiply
    144,749.81x = 216,884.64 × 102,420.08
  4. Step 4: Simplify right side
    144,749.81x = 22,213,341,095.15
  5. Step 5: Solve for x
    x = 22,213,341,095.15/144,749.81
  6. Step 6: Final answer
    x = 153,460.25

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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.