Finding the Fourth Proportional to 148,656.25, 205,155.74 and 84,125.53
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Solution
The fourth proportional to 148,656.25, 205,155.74 and 84,125.53 is: 116,098.96
Step by Step Solution
- Step 1: Write the proportion equation
148,656.25 : 205,155.74 = 84,125.53 : x - Step 2: Convert to fraction form
148,656.25/205,155.74 = 84,125.53/x - Step 3: Cross multiply
148,656.25x = 205,155.74 × 84,125.53 - Step 4: Simplify right side
148,656.25x = 17,258,835,360.04 - Step 5: Solve for x
x = 17,258,835,360.04/148,656.25 - Step 6: Final answer
x = 116,098.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.