Home / 103,088.40-154,692.08-55,703.64

Finding the Fourth Proportional to 103,088.40, 154,692.08 and 55,703.64

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Solution

The fourth proportional to 103,088.40, 154,692.08 and 55,703.64 is: 83,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,088.40 : 154,692.08 = 55,703.64 : x
  2. Step 2: Convert to fraction form
    103,088.40/154,692.08 = 55,703.64/x
  3. Step 3: Cross multiply
    103,088.40x = 154,692.08 × 55,703.64
  4. Step 4: Simplify right side
    103,088.40x = 8,616,911,935.17
  5. Step 5: Solve for x
    x = 8,616,911,935.17/103,088.40
  6. Step 6: Final answer
    x = 83,587.60

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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.