Home / 190,274.74-285,320.07-70,250.35

Finding the Fourth Proportional to 190,274.74, 285,320.07 and 70,250.35

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Solution

The fourth proportional to 190,274.74, 285,320.07 and 70,250.35 is: 105,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,274.74 : 285,320.07 = 70,250.35 : x
  2. Step 2: Convert to fraction form
    190,274.74/285,320.07 = 70,250.35/x
  3. Step 3: Cross multiply
    190,274.74x = 285,320.07 × 70,250.35
  4. Step 4: Simplify right side
    190,274.74x = 20,043,834,779.52
  5. Step 5: Solve for x
    x = 20,043,834,779.52/190,274.74
  6. Step 6: Final answer
    x = 105,341.54

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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.