Home / 98,988.08-136,603.48-53,667.50

Finding the Fourth Proportional to 98,988.08, 136,603.48 and 53,667.50

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Solution

The fourth proportional to 98,988.08, 136,603.48 and 53,667.50 is: 74,061.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,988.08 : 136,603.48 = 53,667.50 : x
  2. Step 2: Convert to fraction form
    98,988.08/136,603.48 = 53,667.50/x
  3. Step 3: Cross multiply
    98,988.08x = 136,603.48 × 53,667.50
  4. Step 4: Simplify right side
    98,988.08x = 7,331,166,994.56
  5. Step 5: Solve for x
    x = 7,331,166,994.56/98,988.08
  6. Step 6: Final answer
    x = 74,061.11

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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.