Home / 145,955.04-218,941.81-61,699.50

Finding the Fourth Proportional to 145,955.04, 218,941.81 and 61,699.50

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Solution

The fourth proportional to 145,955.04, 218,941.81 and 61,699.50 is: 92,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,955.04 : 218,941.81 = 61,699.50 : x
  2. Step 2: Convert to fraction form
    145,955.04/218,941.81 = 61,699.50/x
  3. Step 3: Cross multiply
    145,955.04x = 218,941.81 × 61,699.50
  4. Step 4: Simplify right side
    145,955.04x = 13,508,600,206.10
  5. Step 5: Solve for x
    x = 13,508,600,206.10/145,955.04
  6. Step 6: Final answer
    x = 92,553.16

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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.