Home / 122,319.67-168,715.81-118,204.77

Finding the Fourth Proportional to 122,319.67, 168,715.81 and 118,204.77

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Solution

The fourth proportional to 122,319.67, 168,715.81 and 118,204.77 is: 163,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,319.67 : 168,715.81 = 118,204.77 : x
  2. Step 2: Convert to fraction form
    122,319.67/168,715.81 = 118,204.77/x
  3. Step 3: Cross multiply
    122,319.67x = 168,715.81 × 118,204.77
  4. Step 4: Simplify right side
    122,319.67x = 19,943,013,347.83
  5. Step 5: Solve for x
    x = 19,943,013,347.83/122,319.67
  6. Step 6: Final answer
    x = 163,040.12

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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.