Home / 105,273.74-145,271.64-57,527.48

Finding the Fourth Proportional to 105,273.74, 145,271.64 and 57,527.48

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Solution

The fourth proportional to 105,273.74, 145,271.64 and 57,527.48 is: 79,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,273.74 : 145,271.64 = 57,527.48 : x
  2. Step 2: Convert to fraction form
    105,273.74/145,271.64 = 57,527.48/x
  3. Step 3: Cross multiply
    105,273.74x = 145,271.64 × 57,527.48
  4. Step 4: Simplify right side
    105,273.74x = 8,357,111,364.67
  5. Step 5: Solve for x
    x = 8,357,111,364.67/105,273.74
  6. Step 6: Final answer
    x = 79,384.58

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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.