Home / 103,567.06-155,242.86-70,289.83

Finding the Fourth Proportional to 103,567.06, 155,242.86 and 70,289.83

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Solution

The fourth proportional to 103,567.06, 155,242.86 and 70,289.83 is: 105,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.06 : 155,242.86 = 70,289.83 : x
  2. Step 2: Convert to fraction form
    103,567.06/155,242.86 = 70,289.83/x
  3. Step 3: Cross multiply
    103,567.06x = 155,242.86 × 70,289.83
  4. Step 4: Simplify right side
    103,567.06x = 10,911,994,238.11
  5. Step 5: Solve for x
    x = 10,911,994,238.11/103,567.06
  6. Step 6: Final answer
    x = 105,361.63

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1.5x scale

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.