Home / 105,089.76-157,384.08-58,226.40

Finding the Fourth Proportional to 105,089.76, 157,384.08 and 58,226.40

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Solution

The fourth proportional to 105,089.76, 157,384.08 and 58,226.40 is: 87,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,089.76 : 157,384.08 = 58,226.40 : x
  2. Step 2: Convert to fraction form
    105,089.76/157,384.08 = 58,226.40/x
  3. Step 3: Cross multiply
    105,089.76x = 157,384.08 × 58,226.40
  4. Step 4: Simplify right side
    105,089.76x = 9,163,908,395.71
  5. Step 5: Solve for x
    x = 9,163,908,395.71/105,089.76
  6. Step 6: Final answer
    x = 87,200.77

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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.