Home / 110,088.90-151,985.70-72,472.50

Finding the Fourth Proportional to 110,088.90, 151,985.70 and 72,472.50

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Solution

The fourth proportional to 110,088.90, 151,985.70 and 72,472.50 is: 100,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,088.90 : 151,985.70 = 72,472.50 : x
  2. Step 2: Convert to fraction form
    110,088.90/151,985.70 = 72,472.50/x
  3. Step 3: Cross multiply
    110,088.90x = 151,985.70 × 72,472.50
  4. Step 4: Simplify right side
    110,088.90x = 11,014,783,643.25
  5. Step 5: Solve for x
    x = 11,014,783,643.25/110,088.90
  6. Step 6: Final answer
    x = 100,053.54

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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.