Home / 105,701.40-145,783.26-92,927.43

Finding the Fourth Proportional to 105,701.40, 145,783.26 and 92,927.43

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Solution

The fourth proportional to 105,701.40, 145,783.26 and 92,927.43 is: 128,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.40 : 145,783.26 = 92,927.43 : x
  2. Step 2: Convert to fraction form
    105,701.40/145,783.26 = 92,927.43/x
  3. Step 3: Cross multiply
    105,701.40x = 145,783.26 × 92,927.43
  4. Step 4: Simplify right side
    105,701.40x = 13,547,263,688.82
  5. Step 5: Solve for x
    x = 13,547,263,688.82/105,701.40
  6. Step 6: Final answer
    x = 128,165.41

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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.